diff --git a/Makefile b/Makefile
index 2a9df8668d23cb6803a816541cf46b640d3e8524..6dd990ad1ea1c52d030a1ef6265572618bb9c297 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ background:
 	@nohup sh -c 'if [ ! -e .background ] ; then touch .background ; rm -f .background-again bjcp-2015-styleguide-de.xml web/edit.html ; make web/edit.html ; rm .background ; if [ -e .background-again ] ; then rm bjcp-2015-styleguide-de.xml web/edit.html ; make background ; fi ; else touch .background-again ; fi' >/dev/null 2>&1 &
 
 install:
-	ssh z "cd /var/www ; if [ -d bjcp-2015-styleguide ] ; then cd bjcp-2015-styleguide ; git pull ; else git clone https://github.com/frsteinb/bjcp-2015-styleguide.git ; cd bjcp-2015-styleguide ; mkdir web/snippets ; sudo chgrp -R www-data . ; sudo chmod g+ws . web web/snippets ; make ; fi"
+	ssh z "cd /var/www ; if [ -d bjcp-2015-styleguide ] ; then cd bjcp-2015-styleguide ; sudo -u www-data git pull ; sudo -u www-data make ; else sudo -u www-data git clone https://github.com/frsteinb/bjcp-2015-styleguide.git ; cd bjcp-2015-styleguide ; sudo -u www-data mkdir web/snippets ; sudo -u www-data make ; fi"
 
 clean:
 	@rm -rf orig